Sakawa River Surf Forecast

/ Kanagawa (21 surf breaks) /

Japan (129 surf breaks)

Surf Forecasts:

Sakawa River surfForecast / Kanagawa / Japan

48hr Weather and Surf, issued 8 am Thursday 21 Aug 2025 JST

Forecast update in hr min s Forecast update imminent

Sakawa River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Sakawa River sea temperature is 27.2° C
(Which is normal for this time of year)

How big are the waves at Sakawa River today?

The current surf forecast for Sakawa River at 2PM is: 0.2m 13s primary swell from a East-southeast direction and 0.1m 10s secondary swell from a Southeast direction, 0.4m 6s secondary swell from a South-southwest direction (forecast issued at 08:00am August 21). The wind direction is predicted to be cross-onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (21 Aug)	1.5ft (0.4m)	5s
Afternoon (21 Aug)	0.5ft (0.2m)	13s
Evening (21 Aug)	1.5ft (0.4m)	6s

Table - waves today at Sakawa River. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 21						Friday 22								Saturday 23								Sun 24
	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	SSW	ESE	ESE	SSW	SSW	SW	SSW	SSW	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE
Period(s) (?)	13	5	13	13	6	6	6	6	7	10	10	10	10	10	10	9	9	9	9	9	8	8	8	8
Wave Graph (?)
Energy (?)	30	20	36	33	24	22	62	24	32	37	30	31	28	28	21	29	31	30	30	27	28	28	23	16
Wind (km/h)	WNW	SE	SSE	SSW	SW	WNW	N	NNW	N	ENE	S	SSW	SSW	SSW	W	WNW	NW	S	S	SW	WSW	W	W	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	glass	cross- on	cross- on	cross	off	cross- off	glass	cross- off	cross- on	cross- on	cross	cross- on	glass	glass	glass	glass	glass	cross- on	cross	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)					4:54PM 1.39				3:10AM 1.43				5:14PM 1.42				4:00AM 1.49				5:34PM 1.44
Low Tide / height (m)			9:36AM 0.15				9:58PM 0.97				10:17AM 0.12				10:31PM 0.85				10:52AM 0.14				11:02PM 0.73

	Thursday 21						Friday 22								Saturday 23								Sun 24
Sunrise	5:05	-	-	-	-	-	-	-	5:07	-	-	-	-	-	-	-	5:07	-	-	-	-	-	-	-
Sunset	-	-	-	-	6:25	-	-	-	-	-	-	-	6:23	-	-	-	-	-	-	-	6:22	-	-	-

Rain (mm)	1	-	-	1	1	1	1	1	-	-	1	1	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	27	30	31	30	29	28	28	27	27	29	30	30	29	28	27	27	27	29	30	30	28	27	27	26
Feels °C (?)	32	34	34	34	33	32	32	31	31	33	33	33	33	33	32	32	32	34	32	32	30	30	30	29

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Kanagawa

Wind Update Continuing clean conditions at Sakawa River (light winds from the SSE at Ajiro 21 km from Sakawa River). 0.8m 6s windswell from the SW with a 0.4m 5s windswell from the S and a 0.2m 8s swell from the SSE. 3 swells combining to make bigger set waves.
1 hour 20 minutes ago Sakawa River

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21 km away, 1 h 20 min ago

7 km/h

SSE

0.0

27.2

Air / Water (°C)

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